wichita.edu
…Swails, J. A., Zettle, R. D., Burdsal, C. A., & Snyder, J. J. (2016). The Experiential Approach Scale: Development and preliminary psychometric properties. The Psychological Record, 66, 527-545. Zettle, R. D. (2016). The self in acceptance and commitment therapy. In M. Kyrios, R. Moulding, G. Doron, S. S. Bhar, M. Nedeljkovic, & M. Mikulincer, The self…
https://www.wichita.edu/academics/fairmount_las/psychology/labs/ZettleLab.php